Shut off electricity before beginning work on electrical equipment (lock out, de-energize and tag out).A greasy handle could cause an injury or damage from unexpected slippage. Wear safety glasses or a face shield (with safety glasses or goggles) that is appropriate for the hazards of the work you are doing.Use a vise or clamp to hold the stock if the piece is small or moves easily.For cross head screws, use the correct size and type of screwdriver: a Phillips screwdriver may slip out of a screw head designed for use with the slightly, flatter-tipped Pozidriv screwdriver.Use a slot screwdriver with a blade tip width that is the same as the width of slotted screw head.Choose contoured handles that fit the shank tightly, with a flange to keep the hand from slipping off the tool.Always match the screwdriver to the screw head, both in terms of size and type.
Screwdrivers are made in various shapes and sizes and for many uses.
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